Is estate planning going to be a hard sell?

How do you sell the idea of estate planning to HNW prospects who never intend to grow old? According to this Newsweek article on Boomers, you better start looking for the answer:

To say boomers expect to stay young isn't just a figure of speech, it is a statistically verifiable fact. "Baby boomers literally think they're going to die before they get old," says J. Walker Smith, president of Yankelovich Partners, the polling company, which found in one study that boomers defined "old age" as starting three years after the average American was dead.